EP3842852A4 - Appareil de balayage laser - Google Patents

Appareil de balayage laser Download PDF

Info

Publication number
EP3842852A4
EP3842852A4 EP20849696.8A EP20849696A EP3842852A4 EP 3842852 A4 EP3842852 A4 EP 3842852A4 EP 20849696 A EP20849696 A EP 20849696A EP 3842852 A4 EP3842852 A4 EP 3842852A4
Authority
EP
European Patent Office
Prior art keywords
laser scanning
scanning apparatus
laser
scanning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20849696.8A
Other languages
German (de)
English (en)
Other versions
EP3842852A1 (fr
Inventor
Fei ZHAO
Li Zeng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3842852A1 publication Critical patent/EP3842852A1/fr
Publication of EP3842852A4 publication Critical patent/EP3842852A4/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30—Collimators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Mechanical Optical Scanning Systems (AREA)
EP20849696.8A 2019-08-07 2020-06-20 Appareil de balayage laser Pending EP3842852A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910725611.5A CN112346239B (zh) 2019-08-07 2019-08-07 激光扫描装置
PCT/CN2020/097295 WO2021022917A1 (fr) 2019-08-07 2020-06-20 Appareil de balayage laser

Publications (2)

Publication Number Publication Date
EP3842852A1 EP3842852A1 (fr) 2021-06-30
EP3842852A4 true EP3842852A4 (fr) 2022-05-04

Family

ID=74366611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20849696.8A Pending EP3842852A4 (fr) 2019-08-07 2020-06-20 Appareil de balayage laser

Country Status (4)

Country Link
US (1) US20210223370A1 (fr)
EP (1) EP3842852A4 (fr)
CN (1) CN112346239B (fr)
WO (1) WO2021022917A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114545428B (zh) * 2022-03-02 2024-02-02 中国科学院光电技术研究所 基于单像素-单光子探测器跟踪测距激光雷达装置及方法
CN115166992B (zh) * 2022-07-28 2024-02-06 苏州龙马璞芯芯片科技有限公司 抑制散斑对比度的激光扫描显示装置、方法及抬头显示系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184250A (ja) * 1997-09-08 1999-03-26 Olympus Optical Co Ltd 光走査型共焦点顕微鏡
EP2212717A2 (fr) * 2007-10-09 2010-08-04 Danmarks Tekniske Universitet Système de lidar cohérent basé sur un laser à semi-conducteur et un amplificateur
US20160266242A1 (en) * 2015-03-13 2016-09-15 Advanced Scientific Concepts, Inc. Beam steering ladar sensor
US20190196179A1 (en) * 2017-12-26 2019-06-27 AdHawk Microsystems Packaging for Compact Object-Scanning Modules
US20190195688A1 (en) * 2017-12-22 2019-06-27 Amir H. Atabaki Swept-Source Raman Spectroscopy Systems and Methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4337467B2 (ja) * 2003-08-13 2009-09-30 ブラザー工業株式会社 光走査装置の検査方法
IL165212A (en) * 2004-11-15 2012-05-31 Elbit Systems Electro Optics Elop Ltd Device for scanning light
CN101395480A (zh) * 2006-01-27 2009-03-25 斯欧普迪克尔股份有限公司 利用soi基光电子元件的激光雷达系统
JP4682948B2 (ja) * 2006-07-27 2011-05-11 富士ゼロックス株式会社 光走査装置及び画像形成装置
WO2009079651A2 (fr) * 2007-12-18 2009-06-25 Nuvotronics, Llc Boîtier de dispositif électronique et procédé de formation
KR101806753B1 (ko) * 2013-06-17 2017-12-07 애플 인크. 스캐닝 엔진에 대한 모듈식 광학계
EP3161511B1 (fr) * 2014-06-27 2020-02-26 HRL Laboratories, LLC Lidar de balayage et son procédé de production
DE102016111615B3 (de) * 2016-06-24 2017-04-13 Sick Ag Optoelektronischer Sensor und Verfahren zur Erfassung von Objekten
US11226403B2 (en) * 2017-07-12 2022-01-18 GM Global Technology Operations LLC Chip-scale coherent lidar with integrated high power laser diode
CN107555395B (zh) * 2017-09-08 2019-06-07 厦门大学 光电位置传感芯片与电热微镜键合的一体化器件

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184250A (ja) * 1997-09-08 1999-03-26 Olympus Optical Co Ltd 光走査型共焦点顕微鏡
EP2212717A2 (fr) * 2007-10-09 2010-08-04 Danmarks Tekniske Universitet Système de lidar cohérent basé sur un laser à semi-conducteur et un amplificateur
US20160266242A1 (en) * 2015-03-13 2016-09-15 Advanced Scientific Concepts, Inc. Beam steering ladar sensor
US20190195688A1 (en) * 2017-12-22 2019-06-27 Amir H. Atabaki Swept-Source Raman Spectroscopy Systems and Methods
US20190196179A1 (en) * 2017-12-26 2019-06-27 AdHawk Microsystems Packaging for Compact Object-Scanning Modules

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABHISHEK KASTURI ET AL: "MEMS mirror module for programmable light system", MOEMS AND MINIATURIZED SYSTEMS XVIII, 4 March 2019 (2019-03-04), pages 21, XP055718104, ISBN: 978-1-5106-2505-1, DOI: 10.1117/12.2511074 *

Also Published As

Publication number Publication date
CN112346239A (zh) 2021-02-09
WO2021022917A9 (fr) 2021-04-08
EP3842852A1 (fr) 2021-06-30
US20210223370A1 (en) 2021-07-22
CN112346239B (zh) 2022-10-18
WO2021022917A1 (fr) 2021-02-11

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